Prime Minister Keir Starmer said the UK wouldn’t have to choose between the US and China, as he heralded “significant opportunities” for British businesses ahead of his trip to Beijing this week.

Sir Keir Starmer is on his way to Beijing, making the first trip to China by a British prime minister since 2018.

Mr. Starmer took office 18 months ago with a promise to improve relations with China, and British officials hope that his three-day, finance-focused mission to Beijing and Shanghai will result in deal...